<div class="diff-ui">
  <ul>
    <li data-mode="diff" class="diff"></li>
    <li data-mode="slide" class="slide"></li>
    <li data-mode="onion" class="onion"></li>
  </ul>

  <div class="diff-slider">
    <div class="diff-slider-inner"></div>
  </div>
</div>
